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[akpm@linux-foundation.org: coding style fixes]
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Acked-by: "Salyzyn, Mark" <mark_salyzyn@adaptec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Acked-by: "Salyzyn, Mark" <mark_salyzyn@adaptec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Fix section mismatch warning:
WARNING: vmlinux.o(.text+0x1ff3a2): Section mismatch: reference to .exit.text:sym2_remove (between 'sym2_io_error_detected' and 'sym_xpt_done')
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This patch contains the following minor cleanups:
- make the following needlessly global functions static:
- lpfc_els.c: lpfc_register_new_vport()
- lpfc_els.c: lpfc_issue_els_fdisc()
- lpfc_els.c: lpfc_issue_fabric_iocb()
- lpfc_els.c: lpfc_fabric_abort_vport()
- lpfc_hbadisc.c: lpfc_dev_loss_tmo_handler()
- lpfc_hbadisc.c: lpfc_mbx_cmpl_clear_la()
- lpfc_hbadisc.c: lpfc_disc_flush_list()
- lpfc_hbadisc.c: __lpfc_find_node()
- lpfc_init.c: lpfc_hb_timeout()
- lpfc_init.c: lpfc_block_mgmt_io()
- lpfc_sli.c: __lpfc_sli_release_iocbq()
- lpfc_sli.c: lpfc_sli_next_hbq_slot()
- lpfc_sli.c: lpfc_sli_hbqbuf_init_hbqs()
- lpfc_sli.c: lpfc_sli_hbqbuf_find()
- lpfc_sli.c: __lpfc_sli_issue_iocb()
- #if 0 the following unused global functions:
- lpfc_els.c: lpfc_fabric_abort_flogi()
- lpfc_hbadisc.c: lpfc_find_node()
- lpfc_hbadisc.c: lpfc_findnode_rpi()
- remove the unused exports
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: James Smart <James.Smart@Emulex.Com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The current scsi_test_unit_ready() is updated to return sense code
information (in struct scsi_sense_hdr). The sd and sr drivers are
changed to interpret the sense code return asc 0x3a as no media and
adjust the device status accordingly.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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If blk_rq_map_sg wrote more than was allocated in the scatterlist,
BUG_ON() is probably the right thing to do.
[jejb: rejections fixed up]
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Fix scsi_tgt_lib build when dprintk is defined:
Also fix accessors problem when dprintk is defined
drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_cmd_destroy':
drivers/scsi/scsi_tgt_lib.c:183: warning: format '%lu' expects type 'long unsigned int', but argument 6 has type 'unsigned int'
drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_cmd_done':
drivers/scsi/scsi_tgt_lib.c:330: warning: format '%lu' expects type 'long unsigned int', but argument 5 has type 'unsigned int'
drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_transfer_response':
drivers/scsi/scsi_tgt_lib.c:345: warning: format '%lu' expects type 'long unsigned int', but argument 5 has type 'unsigned int'
drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_init_cmd':
drivers/scsi/scsi_tgt_lib.c:368: warning: format '%lu' expects type 'long unsigned int', but argument 6 has type 'unsigned int'
drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_kspace_exec':
drivers/scsi/scsi_tgt_lib.c:499: warning: format '%lu' expects type 'long unsigned int', but argument 9 has type 'unsigned int'
drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_kspace_it_nexus_rsp':
drivers/scsi/scsi_tgt_lib.c:620: error: 'mid' undeclared (first use in this function)
drivers/scsi/scsi_tgt_lib.c:620: error: (Each undeclared identifier is reported only once
drivers/scsi/scsi_tgt_lib.c:620: error: for each function it appears in.)
make[2]: *** [drivers/scsi/scsi_tgt_lib.o] Error 1
[tomo:
> - dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid);
> + dprintk("%d %d\n", host_no, result);
'mid' is a typo. I wanted to do:
dprintk("%d %d %llx\n", host_no, result, (unsigned long long)itn_id);
The rest looks ok. Thanks,
]
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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On Wed, Nov 07, 2007 at 01:51:44PM -0500, Salyzyn, Mark wrote:
> Christoph Hellwig [mailto:hch@infradead.org] sez:
> > Did anyone run the driver through sparse to see if we have
> > more issues like this?
>
> There are some warnings from sparse, none like this one. I will deal
> with the warnings ...
Actually there are a lot of endianess warnings, fortunately most of them
harmless. The patch below fixes all of them up (including the ones in
the patch I replied to), except for aac_init_adapter which is really odd
and I don't know what to do.
[jejb fixed up rejections and checkpatch issues]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Mark Salyzyn <mark_salyzyn@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Drivers do SCRs for each Vport. When something changes in the
fabric, firmware generates one interrupt for each RSCN. Based on
the current implementation, in each case, we make recursive calls
to handle RSCN for physical and each subsequent virtual ports.
The fix is to also take into consideration the vp_idx, which is
set by the firmware to indicate the vport the RSCN was meant for.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Firmware will export to software the maximum number of vports
supported for any given firmware version and ISP type. Use this
information rather than the current hardcoding of limitations
within the driver.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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system-error.
Callers of qla2x00_async_event() already populate the mb[] array
upon invocation, doing so via the appropriate mailbox register
accessors. The stale codes removed are leftover-bits kept during
the FWI2 transition. Though relatively benign, the extra-reads
are not valid for FWI2 boards (ISP24xx and above) and peek into
the incorrect regions of registers.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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CRQ send errors that return with H_CLOSED should return with
SCSI_MLQUEUE_HOST_BUSY until firmware alerts the client of a CRQ
transport event. The transport event will either reinitialize and
requeue the requests or fail and return IO with DID_ERROR.
To avoid failing the eh_* functions while re-attaching to the server
adapter this will retry for a period of time while ibmvscsi_send_srp_event
returns SCSI_MLQUEUE_HOST_BUSY.
In ibmvscsi_eh_abort_handler() the loop includes the search of the
event list. The lock on the hostdata is dropped while waiting to try
again after failing ibmvscsi_send_srp_event. The event could have been
purged if a login was in progress when the function was called.
In ibmvscsi_eh_device_reset_handler() the loop includes the call to
get_event_struct() because a failing call to ibmvscsi_send_srp_event()
will have freed the event struct.
Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- Change title to remove "Mid-Layer" since the doc is about all of the
SCSI layers.
- Use "SCSI" instead of "scsi" in docbook text.
- Use "*/" to end kernel-doc notation blocks.
- A few other minor typo fixes.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Use correct function name in kernel-doc.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Minor corrections and additions to 'scsi_logging_level', as pointed out
by Chuck Ebbert.
Also point out the IBM S390-tools 'scsi_logging_level' script.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Some SCSI tape medium changers that need the BLIST_SINGLELUN flag have
the medium changer at one LUN and the tape drive at a different LUN.
The inquiry string of the tape drive may be different from that of the
medium changer. In order for single_lun to be effective, every
scsi_device under a given scsi_target must have it set. This means that
there needs to be a blacklist entry for BOTH the medium changer AND the
tape drive, which is impractical because some medium changers may be
paired with a variety of different tape drive models. It makes more
sense to put the single_lun flag in scsi_target instead of scsi_device,
which causes every device at a given target ID to inherit the single_lun
flag from one LUN. This makes it possible to blacklist just the medium
changer and not the tape drive.
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Update version and changelog
Signed-off-by: Bo Yang <bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Added module parameter "poll_mode_io" to support for "polling"
(reduced interrupt operation). In this mode, IO completion interrupts
are delayed. At the end of initiating IOs, the driver schedules for
cmd completion if there are pending cmds. A timer-based interrupt has
also been added to prevent IO completion from being delayed
indefinitely in the case that no new IOs are initiated. Some
formatting issues in resume, suspend comment block also corrected
Signed-off-by: Bo Yang <bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Driver will call cmd completion routine from Reset path without waiting for cmd completion from isr context.
Signed-off-by: Bo Yang <bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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MegaRAID utilities expect sense_buff to be of type unsigned long.
Signed-off-by: Bo Yang <bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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max_sectors_per_req
1. Setting the max_sectors_per_req based on max SGL supported by the
FW. Prior versions calculated this value from controller info's
max_sectors_1, max_sectors_2. For certain controllers/FW, this was
resulting in a value greater than max SGL supported by the FW. Now
we take the min of max sgl from FW and max_sectors calculation.
2. Increased MFI_POLL_TIMEOUT_SECS to 60 seconds from 10. FW may take
a max of 60 seconds to respond to the INIT cmd.
Signed-off-by: Bo Yang <bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Adding hibernation support. suspend, resume routine implemented.
Signed-off-by: Bo Yang <bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The 3ware 9500S-8 SATA RAID controller exhibits terrible write
performance when PCI memory-write-and-invalidate is disabled. This is
easy to demonstrate by replacing pci_try_set_mwi() in the patch below
with pci_clear_mwi(). My benchmarks show the following:
MWI disabled: 15 MB/s write, 330 MB/s read
MWI enabled: 240 MB/s write, 330 MB/s read
Most motherboards will enable MWI without the driver having to set it
explicitly, so most people probably wouldn't encounter this problem.
For the few motherboards that don't enable it, this patch could give a
16x performance improvement for writing.
This issue does not seem to affect the 9550SX controller, but the patch
doesn't hurt it either. I haven't tested any of the other 3ware
controllers.
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Acked-by: adam radford <aradford@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Annotate sas_queuecommand with locking details, and clean up a few
more sparse warnings about static/non-static declarations.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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sparse complains about the mixing of enums in libsas. Since the
underlying numeric values of both enums are the same, combine them
to get rid of the warning.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Acked-by: Bo Yang <Bo.Yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- convert to accessors and !use_sg cleanup
- Not ready for sg-chaining
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Tested-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- convert to accessors and !use_sg cleanup
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Tested-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Add Documentation/DocBook/scsi_midlayer.tmpl, add to Makefile, and update
lots of kerneldoc comments in drivers/scsi/*.
Updated with comments from Stefan Richter, Stephen M. Cameron,
James Bottomley and Randy Dunlap.
Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Remove tracing for request with a "qualifier" field set in the
response. The protocol status qualifier now contains measurement
data for "good" commands, so this check would trace every response
by default.
The fix is to simply remove the "qual" tracing: The responses with an
interesting status are also traced as "ferr" or "perr" and all
responses can be traced as "norm" with a higher trace level.
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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When adding an invalid LUN, there is a deadlock between the add
via scsi_scan_target and the slave_destroy handler: The handler
waits for the scan to complete, but for an invalid unit,
scsi_scan_target directly calls the slave_destroy handler.
Fix the deadlock by removing the wait in the slave_destroy
handler, it was not necessary anyway.
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The common I/O layer can call remove a handler to inform zfcp
that a device disappeared. The handler zfcp_ccw_remove then
removes all unit, port and the adapter data structures. Removing
the units requires that the SCSI devices are removed first.
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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It is not necessary to use jiffies or milliseconds to specify
waiting times that last a couple of seconds.
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The callback function used by zfcp always returns success,
which is an indication for the SCSI midlayer to stop error
handling. Remove the bus_reset callback, since the same
function will be called via the host_reset callback.
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Some of our vendors have requested that our adapters ignore the hardware
reset attempts during recovery and have enforced this with changes in
Adapter Firmware. Some of our customers have requested the option to be
able to reset the adapter under adverse adapter failure, we even had a
few defects reported here considering it a regression that the Adapter
could not be reset. This patch addresses this dichotomy. The user can
force the adapter to be reset if it supports the IOP_RESET_ALWAYS
command, in cases where the adapter has been programmed to ignore the
reset, by setting the aacraid.check_reset parameter to a value of -1.
The driver will not reset an Adapter that does not support the reset
command(s).
This patch also fixes and cleans up some of the logic associated with
resetting the adapter.
Signed-off-by: Mark Salyzyn <aacraid@adaptec.com>
Signed-off-by: James <James.Bottomley@HansenPartnership.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- This patch depends on:
NCR5380: Use scsi_eh API for REQUEST_SENSE invocation
- convert to accessors and !use_sg cleanup
- FIXME: Not sg-chain ready look for ++cmd->SCp.buffer
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James <James.Bottomley@HansenPartnership.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- code used to set sg_tablesize to zero for board revision
less than 6. This is no longer supported, therefore I
use sg_tablesize=1 and open code the sg handling for that case.
- Get rid of use of SG_NONE which will be removed soon.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James <James.Bottomley@HansenPartnership.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- convert to accessors and !use_sg cleanup
- Probably not ready for sg-chaining
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Christoph Hellwig <hch@infradead.org>
Cc: jameshsu <jameshsu@acard.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- remove the unnecessary map_single path.
- convert to use the new accessors for the sg lists and the
parameters.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- This patch should be commited before:
usb: transport - convert to accessors and !use_sg code path removal
- isd200_action() was still using direct liniar pointers in issuing
commands to the USB transport level. This is no longer supported,
use one-element scatterlist instead.
- Adjustment of command's length in the case of scsi-to-ata translation
is now restored before return to queuecommand, since other wise it can
leak BIOs.
- isd200_action() return Error on unknown requests. Used to print an error
but still try to send garbage cdb.
- convert few places to scsi data accessors.
- Todo: This file will need to be changed when scsi_cmnd changes to
scsi_data_buffer or any other solution.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Matthew Dharm <mdharm-scsi@one-eyed-alien.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- This patch depends on:
usb: transport.c use scsi_eh API in REQUEST_SENSE execution
- Use scsi data accessors and remove of !use_sg code path.
- New usb_stor_bulk_srb() for use by drivers
[jejb: updated with corrective fix.
had a bug in residual handling in the new usb_stor_bulk_srb()
function. Found by Gabriel C. in -mm tree.
Tested-by: Gabriel C <nix.or.die@googlemail.com>
]
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Matthew Dharm <mdharm-scsi@one-eyed-alien.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- functions that received char* but where passed scatterlist* mostly
were changed to receive void*
- Use scsi data accessors and remove of !use_sg code path
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Matthew Dharm <mdharm-scsi@one-eyed-alien.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- Use scsi data accessors and remove of !use_sg code path
- This patch is dependent on cleanup patch to usb transport.c/h
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Matthew Dharm <mdharm-scsi@one-eyed-alien.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- Use scsi data accessors and remove of !use_sg code path
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Matthew Dharm <mdharm-scsi@one-eyed-alien.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- Apparently no one wonts this driver, and no one
is willing to fix it for future changes to SCSI.
So remove it, and if someone wants it in the future
He can revive it with the needed fixes.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The psi240i driver is still written for cmnd->request_buffer
as a char pointer to actual data. There was never any attempt
to use the scatterlist option.
- remove all source files (3) from drivers/scsi
- Remove from Makefile and Kconfig
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- convert to accessors and !use_sg cleanup
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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